. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . NG December, 1917. Consolidation and Pacific Type Locomotives for theSouthern Pacific Lines At the present time there is a sharpdemand for locomotives for use in thiscountry. The government have pre-empted all the resources and energies ofthe regular builders, and great as theircapacities are. the locomotive builders arenot able to supply a single engine for useon the railways of the United States. In gine and tender in working order, andtaken together is 351,200 lbs. The driv-ing wheel base
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . NG December, 1917. Consolidation and Pacific Type Locomotives for theSouthern Pacific Lines At the present time there is a sharpdemand for locomotives for use in thiscountry. The government have pre-empted all the resources and energies ofthe regular builders, and great as theircapacities are. the locomotive builders arenot able to supply a single engine for useon the railways of the United States. In gine and tender in working order, andtaken together is 351,200 lbs. The driv-ing wheel base is 15 ft. 8 ins., the totalwheel base is 24 ft. 4 ins. and the fullwheel base of engine and tender is 56fl. 3H ins. The ratios and some generaldata follows:Ratios—Weight uti drivers-j-tractive ef- Valves^kind, piston; diameter, 12ins.; greatest travel, 6 ins.; inside lap 1in.; exhaust clearance, 1/16 in.; lead infull gear. i/i2 n\. Wheels.—Driving, diameter over tires,57 ins.: driving, thickness of tires, i%ins.; driving joi-rnals, main, diameter andlength, 10 ins. x 12 ins.; driving ).\TU).\ i:.\i;i.\i-; 1>k riii; ^li C( Geo. McCoriiiick. S. M. P. I. Builders. this dilemma, those roads which haveequipment suitable for building, haveturned their attention to it. .•Kmong theprominent roads to build for themselves isthe Southern Pacific Company, of whichMr. George McCormick is general super-intendent of motive power. The engines turned out of the companysshops at Sacramento, Cal., up to date, are fort, ; total weight-^tractive effort,; tractive effort .x diameter drivers -;-equivalent heating surface,* 692; equiva-lent heating surface*H-grate area, ;firebox heating surface-=-equivalent heat-ing surface,* per cent., ; weight ondrivers-i-equivalent heating surface,* ;total weight-^equivalent heating surface,*; volume both cvlinders. cu. ft.; others, diameter and length, 9 ins. x 12ins.; engine tr
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